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NATHANIEL REX COFFEY LCSW
NPI 1679247605
Social Worker - Clinical in Pasadena, CA

Active since August 03, 2021PECOS EnrolledAccepts Medicare Assignment
595 E COLORADO BLVD, MEZZANINE, PASADENA, CA 91101(626) 765-4045(626) 470-9718 Get Directions Write a Review

NPPES record last updated: January 6, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jan 6, 2026, Jan 2, 2025, Dec 23, 2024 and 3 more (6 updates tracked since 2021).

About Nathaniel Rex Coffey Lcsw NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

NATHANIEL REX COFFEY LCSW (NPI 1679247605) is an individual clinical provider in Pasadena, California, licensed in California (127700) and active in the NPI registry since August 2021. He is enrolled in Medicare PECOS and is a graduate of Other (2021).

NPPES Registry Identity

NPI1679247605
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameNATHANIEL REX COFFEYCredential: LCSW
Location Address595 E COLORADO BLVD, MEZZANINEPasadena, CA 91101-2039
Mailing Address595 E Colorado Blvd, MezzaninePasadena, CA 91101-2039 · (626) 765-4045 · Fax (626) 470-9718
Phone(626) 765-4045
Fax(626) 470-9718
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateAugust 3, 2021
Last NPPES UpdateJanuary 6, 20266 updates tracked since enumeration
NPPES CertifiedJanuary 6, 2026
✔ NPI 1679247605 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in CA · 127700
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
Also ListedSocial WorkerTaxonomy 104100000X · License 102349 (CA)
595 E COLORADO BLVD, Pasadena, CA 91101
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Nathaniel Rex Coffey Lcsw is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8527568880
PECOS Enrollment IDI20250821004417
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Nathaniel Coffey reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Didi Hirsch Psychiatric Service
5.3 mi
Community/Behavioral Health
1540 E COLORADO ST
Glendale, CA 91205
  • Reassigned Medicare billing, California enrollment
  • 37 clinicians in this Medicare group
NPI 1265721708 (818) 244-7257

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91101 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$0.00 typical visit price
range $62.96 – $187.60
Typical copayment $0.00 (range $15.74 – $46.90)
Most-billed visit code NA
Established Patient
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. LOUIS MEAUX PH.D.
Psychologist (Clinical)
595 E COLORADO BLVD, 406
PASADENA, CA 91101
Los Angeles County (626) 568-0852
MS. NANCY ELVIRA HAGOPIAN MFT
Marriage & Family Therapist
595 E COLORADO BLVD, STE.#310
PASADENA, CA 91101
Los Angeles County (626) 795-0228
LINDA M ROSS LCSW, PHD.
Social Worker (Clinical)
595 E COLORADO BLVD, SUITE 533
PASADENA, CA 91101
Los Angeles County (626) 616-8343
DONNA SHANAHAN LMFT
Marriage & Family Therapist
595 E COLORADO BLVD, SUITE #607
PASADENA, CA 91101
Los Angeles County (626) 644-7574
DR. MELISSA ANN HOFSTETTER PH.D., M.DIV.
Psychologist
595 E COLORADO BLVD, SUITE 409
PASADENA, CA 91101
Los Angeles County (626) 587-4450
MRS. RICHA DUGGAL LCSW
Counselor (Mental Health)
595 E COLORADO BLVD
PASADENA, CA 91101
Los Angeles County (213) 268-3495
EILEEN BEIRICH MFT
Marriage & Family Therapist
595 E COLORADO BLVD, SUITE 620
PASADENA, CA 91101
Los Angeles County (626) 296-3594
ALLYN RODRIGUEZ PSY.D.
Psychologist (Clinical)
595 E COLORADO BLVD, SUITE 530
PASADENA, CA 91101
Los Angeles County (312) 806-2674

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Nathaniel Coffey's NPI number?

The NPI number for Nathaniel Coffey is 1679247605. It was assigned to this individual provider in the NPPES registry on August 3, 2021.

Where is Nathaniel Coffey located?

Nathaniel Coffey practices at 595 E Colorado Blvd Mezzanine, Pasadena, CA 91101. The listed phone number is (626) 765-4045.

What is Nathaniel Coffey's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

Is Nathaniel Coffey enrolled in Medicare?

Yes. Nathaniel Coffey is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Nathaniel Coffey's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nathaniel Coffey reassigns Medicare benefits to Didi Hirsch Psychiatric Service (Glendale, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Nathaniel Coffey's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Nathaniel Coffey was last updated on January 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.